Stadium: Cancha 1 Round: 46 Ground: Clay
| Challenger Panama City Qual | 2018/03/31 14:30 | Gomez, Alejandro v Martinez, Luis David | 4-6,6-3,5-7 |
| Challenger San Luis Potosi Qual | 2018/03/26 00:45 | Martinez, Luis David v Roberto Cid Subervi | 1-6,6-4,4-6 |
| Challenger San Luis Potosi Qual | 2018/03/25 22:15 | Martinez, Luis David v Andres Gomez, Jose Pablo | 6-0,6-1 |
| Challenger Drummondville Qual | 2018/03/11 18:30 | Martinez, Luis David v Jacq, Gregoire | 2-6,4-6 |
| ITF Canada F2 Qual | 2018/03/04 15:00 | Nielsen, Frederik v Martinez, Luis David | 6-3,6-4 |
| ITF Canada F2 Qual | 2018/03/03 15:00 | Martinez, Luis David v Leduc, Antoine | 6-2,6-4 |
| Challenger Morelos Qual | 2018/02/17 21:00 | Martinez, Luis David v Federico Zeballos | 6-3,6-3 |
| Challenger Morelos Qual | 2018/02/17 17:40 | Saraiva, Bernardo v Martinez, Luis David | 4-6,4-6 |
| Challenger Panama City Qual | 2018/03/31 14:30 | Echazu, Mauricio v Bortolotti, Marco | 6-7,2-6 |
| Challenger San Luis Potosi Qual | 2018/03/25 22:25 | Bortolotti, Marco v Krawietz, Kevin | 2-6,3-6 |
| Challenger San Luis Potosi Qual | 2018/03/25 18:00 | Krainik, Pavel v Bortolotti, Marco | 1-6,2-6 |
| ITF Croatia F2 | 2018/03/15 09:00 | Bortolotti, Marco v Sabanov, Matej | 6-7,4-6 |
| ITF Croatia F2 | 2018/03/14 11:20 | Nino Serdarusic v Bortolotti, Marco | 4-6,7-6,4-6 |
| ITF Croatia F1 | 2018/03/08 09:00 | Bortolotti, Marco v Escobar, Gonzalo | 1-6,2-6 |
| ITF Italy F1 Qual | 2018/02/24 11:20 | Bortolotti, Marco v Frinzi, Mattia | 6-0,3-6,5-7 |
| Challenger Bergamo Qual | 2018/02/18 09:00 | Grigelis, Laurynas v Bortolotti, Marco | 6-3,7-6 |